v3.26.3
Fair Value - Schedule of Borrowings (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Jun. 30, 2026
Fair value    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Long-term debt, fair value $ 6,238 $ 6,541
Carrying value    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Long-term debt, fair value $ 6,607 $ 6,606